patio sliding doorsPart of getting a patio door to roll smoothly is making sure that it is level. If the door is level at least you’ve got a fighting chance. If it isn’t level, the lip of the door may dig into the track and really bind up. Additionally, you may find that the handle lock doesn’t engage anymore.

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Adjusting the door for level is pretty easy. You will need a screwdriver and maybe a flashlight. At the bottom of the door are two roller assemblies, one on each side of the door. If you look at the edge of the door at the bottom, you will see a small hole. Both the front edge and rear edge will have such a hole. This is where you will stick a screwdriver to adjust the rollers either up or down.

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You will have to feel for the screwdriver to engage because the rollers are recessed into the door (this is where a flashlight may give you a clue). Place the screwdriver into the hole and move it around until you feel it engage with the screw. If you want to lower the door, rotate the screwdriver counter-clockwise. If you want to raise that side of the door, rotate the screwdriver clockwise. Realize that in raising the door, you will be lifting the weight of that side of the door, and so you will have to use one hand to slightly lift the door as you rotate the screwdriver. Constantly check the operation of the door and make sure the lock engages properly before you call the job done.

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